EP1084689B1 - Wasserdispergierbarer absorbierender Artikel - Google Patents

Wasserdispergierbarer absorbierender Artikel Download PDF

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Publication number
EP1084689B1
EP1084689B1 EP00307952A EP00307952A EP1084689B1 EP 1084689 B1 EP1084689 B1 EP 1084689B1 EP 00307952 A EP00307952 A EP 00307952A EP 00307952 A EP00307952 A EP 00307952A EP 1084689 B1 EP1084689 B1 EP 1084689B1
Authority
EP
European Patent Office
Prior art keywords
water
decomposable
sheets
surface member
absorbent article
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00307952A
Other languages
English (en)
French (fr)
Other versions
EP1084689A3 (de
EP1084689A2 (de
Inventor
Nobuhiro Kurata
Mitsuhiro Wada
Megumi Tokomuto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unicharm Corp
Original Assignee
Unicharm Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unicharm Corp filed Critical Unicharm Corp
Publication of EP1084689A2 publication Critical patent/EP1084689A2/de
Publication of EP1084689A3 publication Critical patent/EP1084689A3/de
Application granted granted Critical
Publication of EP1084689B1 publication Critical patent/EP1084689B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F13/15211—Properties of the article, e.g. stiffness or absorbency soluble or disintegratable in liquid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F13/15211—Properties of the article, e.g. stiffness or absorbency soluble or disintegratable in liquid
    • A61F2013/15235—Properties of the article, e.g. stiffness or absorbency soluble or disintegratable in liquid by its solubility in water
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15406—Basis weight

Definitions

  • a water-decomposable absorbent article may comprise a water-decomposable back sheet, a water-decomposable absorbent layer, and a surface member covering the absorbent layer, wherein the surface member includes a plurality of water-retentive water-decomposable sheets laminated and bonded to each other by integration means for permitting to dissociate the water-decomposable sheets from each other when wetted.
  • the means of wet-dissociative integration include mechanical means for needling the plurality of the water-decomposable sheets, or mechanical means for embossing to spotwise press the plurality of the water-decomposable sheets optionally under heat.
  • the back sheet 20 may be formed of water-decomposable non-woven fabric or paper.
  • it is a water-decomposable non-woven fabric of wet-spun lace composed of pulp and rayon, and having a weight of 45 g/m 2 .
  • the outer surface of tne back sheet 20 may be coated with a water-soluble resin such as polyvinyl alcohol, an unsaturated carboxylic acid copolymer or the like. Thus coated, the back sheet 20 will be impervious to fluid.
  • the sample to be tested was worn by 10 panelists for 3 hours. After having been thus worn, the condition of the surface member of the sample was macroscopically checked.
  • the criteria for sample evaluation are as follows:
  • the constituent sheets are integrated into the surface member by the means of wet-dissociative integration. Concretely, they are integrated by mechanically pressing them in such a manner that the fibers constituting them are mechanically entangled in the integrated laminate, or by adhering them to each other with the water-soluble adhesive, or by a combination of two means of integration. Therefore, in actual use, the sheets constituting the surface member behave in integrated fashion, so that the surface member is resistant to breakage, distortion and abrasion thereof. In actual use, the dry area of the surface member well keeps the integrated condition by the integration means set forth above. On the other hand, in the wetted area thereof, the constituent sheets well adhere to each other to keep effect of integration owing to the surface tension of the fluid therein, since the water retention of the respective constituent sheets is substantially the same level.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Laminated Bodies (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Claims (12)

  1. Wasserzersetzbarer absorbierender Artikel, umfassend eine wasserzersetzbare rückseitige Lage (20), eine wasserzersetzbare absorbierende Lage (21) und ein die absorbierende Lage (21) bedeckendes Oberflächenelement (10), dadurch gekennzeichnet, dass
    das Oberflächenelement (10) eine Vielzahl wasserhaltenden, wasserzersetzbaren Lagen (11, 12, 13, 14) umfasst, die durch Integrationsmittel aneinander laminiert und miteinander verbunden sind, so dass sich die wasserzersetzbaren Lagen (11, 12, 13, 14) im Nasszustand voneinander lösen können, wobei die Integrationsmittel mechanische Mittel zum gegenseitigen Verbinden der wasserzersetzbaren Lagen (11, 12, 13, 14) umfassen.
  2. Wasserzersetzbarer absorbierender Artikel nach Anspruch 1, wobei die mechanischen Mittel durch Nadeln zur Herstellung von Durchgangslöchern in den wasserzersetzbaren Lagen (11, 12, 13, 14) unter der Voraussetzung, dass die wasserzersetzbaren Lagen (11, 12, 13, 14) laminiert sind, gebildet werden, so dass die die einzelnen wasserzersetzbaren Lagen bildenden Fasern rund um die Durchgangslöcher (15) verschlungen werden.
  3. Wasserzersetzbarer absorbierender Artikel nach Anspruch 1, wobei die mechanischen Mittel durch Prägen der wasserzersetzbaren Lagen (11, 12, 13, 14) unter der Voraussetzung, dass die wasserzersetzbaren Lagen laminiert sind, gebildet werden.
  4. Wasserzersetzbarer absorbierender Artikel nach Anspruch 1, wobei die wasserzersetzbaren Lagen (11, 12, 13, 14) mit einem wasserlöslichen Kleber teilweise miteinander verbunden sind.
  5. Wasserzersetzbarer absorbierender Artikel nach Anspruch 1, wobei die wasserzersetzbaren Lagen (11, 12, 13, 14) durch Wasserstoffbindung miteinander verbunden sind.
  6. Wasserzersetzbarer absorbierender Artikel nach Anspruch 1, wobei das Verhältnis zwischen dem Wasserrückhaltevermögen einer wasserzersetzbaren Lage und dem einer benachbarten Lage 40:60 bis 60:40 beträgt, wenn das Oberflächenelement genässt wird.
  7. Wasserzersetzbarer absorbierender Artikel nach Anspruch 6, wobei die wasserzersetzbaren Lagen (11, 12, 13, 14) 30 bis 100 Gewichts-% hydrophile Fasern enthalten.
  8. Wasserzersetzbarer absorbierender Artikel nach Anspruch 1, wobei die wasserzersetzbaren Lagen (11, 12, 13, 14) ein Gewicht zwischen 10 und 60 g/m2 haben.
  9. Wasserzersetzbarer absorbierender Artikel nach Anspruch 1, wobei die wasserzersetzbaren Lagen (11, 12, 13, 14), gemessen gemäß JIS P-4501, jeweils einen Zersetzungsgrad von höchstens 100 Sekunden in Wasser haben.
  10. Wasserzersetzbarer absorbierender Artikel nach Anspruch 9, wobei das Oberflächenelement (10), gemessen gemäß JIS P-4501, einen Zersetzungsgrad von höchstens 100 Sekunden in Wasser hat.
  11. Wasserzersetzbarer absorbierender Artikel nach Anspruch 1, wobei das aus mindestens zwei wasserzersetzbaren, durch die Integrationsmittel miteinander verbundenen Lagen (11, 12) bestehende Oberflächenelement (10) im Trockenzustand, gemessen gemäß JIS P-8113, eine Zugfestigkeit von mindestens 1000 g/25 mm hat.
  12. Wasserzersetzbarer absorbierender Artikel nach Anspruch 1, wobei das aus mindestens zwei wasserzersetzbaren Lagen (11, 12) bestehende Oberflächenelement (10) im Nasszustand, gemessen gemäß JIS P-8113, eine Zugfestigkeit von mindestens 200 g/25 mm hat.
EP00307952A 1999-09-16 2000-09-13 Wasserdispergierbarer absorbierender Artikel Expired - Lifetime EP1084689B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP26168999A JP3748019B2 (ja) 1999-09-16 1999-09-16 水解性の吸収性物品およびその製造方法
JP26168999 1999-09-16

Publications (3)

Publication Number Publication Date
EP1084689A2 EP1084689A2 (de) 2001-03-21
EP1084689A3 EP1084689A3 (de) 2001-09-19
EP1084689B1 true EP1084689B1 (de) 2012-02-29

Family

ID=17365358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00307952A Expired - Lifetime EP1084689B1 (de) 1999-09-16 2000-09-13 Wasserdispergierbarer absorbierender Artikel

Country Status (12)

Country Link
US (1) US6642428B1 (de)
EP (1) EP1084689B1 (de)
JP (1) JP3748019B2 (de)
KR (1) KR100822628B1 (de)
CN (1) CN1147281C (de)
AU (1) AU5939500A (de)
BR (1) BR0004219B1 (de)
CA (1) CA2318014C (de)
ID (1) ID27252A (de)
MY (1) MY123681A (de)
SG (1) SG92739A1 (de)
TW (1) TW462282U (de)

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JP3792146B2 (ja) * 2001-10-15 2006-07-05 ユニ・チャーム株式会社 水解性シートおよびその製造方法
JP4153204B2 (ja) * 2001-12-28 2008-09-24 王子製紙株式会社 吸収体製品とその製造方法およびこれに用いられる内袋とその製造方法
EP1541104B1 (de) * 2002-09-17 2011-07-13 Uni-Charm Corporation Interlabiales produkt und in wasser zerfallende oberflächenseitenplatte für das interlabiale produkt
JP4244128B2 (ja) 2002-10-03 2009-03-25 ユニ・チャーム株式会社 陰唇間パッド構成用の表面側シートおよび陰唇間パッド
US7303642B2 (en) * 2002-11-12 2007-12-04 Kimberly-Clark Worldwide, Inc. Methods of making responsive film with corrugated microlayers having improved properties
JP2004261230A (ja) 2003-02-18 2004-09-24 Uni Charm Corp 水洗可能な陰唇間パッド
JP4212953B2 (ja) * 2003-05-23 2009-01-21 ユニ・チャーム株式会社 水解性の吸収性物品
US7179952B2 (en) 2003-08-25 2007-02-20 Kimberly-Clark Worldwide, Inc. Absorbent article formed with microlayered films
CN2649053Y (zh) * 2004-01-14 2004-10-20 长沙市凯立包装材料有限公司 环保防水纸卫生垫(巾)
JP4593986B2 (ja) * 2004-06-30 2010-12-08 大王製紙株式会社 吸収体
EP1893488A2 (de) * 2005-06-10 2008-03-05 The Glad Products Company Beutel mit leckfreiheitsmerkmalen
US20070049888A1 (en) * 2005-08-31 2007-03-01 Soerens Dave A Absorbent core comprising a multi-microlayer film
US20070207306A1 (en) * 2006-03-03 2007-09-06 New Pig Corporation Expanding tape barrier
KR100802420B1 (ko) * 2006-06-16 2008-02-14 이권혁 대나무 펄프를 이용한 생리대 제조방법
JP5080049B2 (ja) * 2006-09-22 2012-11-21 ユニ・チャーム株式会社 シート部材、吸収性物品、陰唇間パッドおよびシート部材の製造方法
US8051495B2 (en) * 2007-12-03 2011-11-08 Lee Suzanne C Garment with bamboo fabric liner
BR112012002881A2 (pt) * 2009-08-14 2016-03-22 Procter & Gamble estruturas fibrosas e método para fabricação das mesmas
EP2464774A1 (de) * 2009-08-14 2012-06-20 The Procter & Gamble Company Faserstrukturen und verfahren zu ihrer herstellung
BR112012002955A2 (pt) * 2009-08-14 2018-03-13 Procter & Gamble estruturas fibrosas e métodos de fabricação das mesmas.
JP5839920B2 (ja) * 2011-09-30 2016-01-06 ユニ・チャーム株式会社 吸収体及び吸収性物品
CN107249534A (zh) 2014-11-06 2017-10-13 宝洁公司 预应变层合体及其制备方法
US10736790B2 (en) * 2016-11-22 2020-08-11 Saathi, Inc. Absorbent article having natural fibers
EP4335420B1 (de) 2017-02-16 2026-04-01 The Procter & Gamble Company Saugfähige artikel mit substraten mit sich wiederholenden mustern von öffnungen mit mehreren wiederholungseinheiten
JP2019022539A (ja) * 2017-06-22 2019-02-14 株式会社▲高▼橋型精 使い捨て排泄物物処理具
JP7309434B2 (ja) * 2019-04-26 2023-07-18 花王株式会社 吸収性物品
JP7737132B2 (ja) * 2021-07-02 2025-09-10 株式会社サンコー パッドの製造方法、パッドの製造装置及びパッド
AU2023252063A1 (en) * 2022-04-13 2024-10-31 Anabio Technologies Private Limited Hydro-degradable fluid absorbent
KR102719390B1 (ko) * 2024-04-01 2024-10-18 김국 애완동물용 수용성 배변패드
US12454400B1 (en) 2024-04-26 2025-10-28 The Glad Products Company Thermoplastic bags with liquid absorption capabilities

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Also Published As

Publication number Publication date
CN1147281C (zh) 2004-04-28
CA2318014C (en) 2007-05-08
CN1288716A (zh) 2001-03-28
TW462282U (en) 2001-11-01
US6642428B1 (en) 2003-11-04
EP1084689A3 (de) 2001-09-19
KR20010030402A (ko) 2001-04-16
JP3748019B2 (ja) 2006-02-22
AU5939500A (en) 2001-03-22
MY123681A (en) 2006-05-31
KR100822628B1 (ko) 2008-04-16
BR0004219A (pt) 2001-04-10
CA2318014A1 (en) 2001-03-16
EP1084689A2 (de) 2001-03-21
ID27252A (id) 2001-03-22
SG92739A1 (en) 2002-11-19
BR0004219B1 (pt) 2009-05-05
JP2001079037A (ja) 2001-03-27

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